Comparative structure analysis of non-polar organic ferrofluids stabilized by saturated mono-carboxylic acids

M. V. Avdeev, D. Bica, L. Vékás, V. Aksenov, A. V. Feoktystov, O. Marinica, L. Rosta, V. M. Garamus, R. Willumeit

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The structure of ferrofluids (magnetite in decahydronaphtalene) stabilized with saturated mono-carboxylic acids of different chain lengths (lauric, myristic, palmitic and stearic acids) is studied by means of magnetization analysis and small-angle neutron scattering. It is shown that in case of saturated acid surfactants, magnetite nanoparticles are dispersed in the carrier approximately with the same size distribution whose mean value and width are significantly less as compared to the classical stabilization with non-saturated oleic acid. The found thickness of the surfactant shell around magnetite is analyzed with respect to stabilizing properties of mono-carboxylic acids.

Original languageEnglish
Pages (from-to)37-41
Number of pages5
JournalJournal of Colloid and Interface Science
Volume334
Issue number1
DOIs
Publication statusPublished - Jun 1 2009

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Ferrosoferric Oxide
Magnetic fluids
Magnetite
Carboxylic Acids
Carboxylic acids
Surface-Active Agents
Magnetite Nanoparticles
Surface active agents
Lauric Acids
Stearic Acids
Palmitic acid
Magnetite nanoparticles
Stearic acid
Oleic acid
Oleic Acid
Neutron scattering
Chain length
Magnetization
Stabilization
Acids

Keywords

  • Fatty acids
  • Magnetic fluids
  • Magnetic nanoparticles
  • Magnetite
  • Mono-carboxylic acids
  • Stabilization

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Colloid and Surface Chemistry

Cite this

Comparative structure analysis of non-polar organic ferrofluids stabilized by saturated mono-carboxylic acids. / Avdeev, M. V.; Bica, D.; Vékás, L.; Aksenov, V.; Feoktystov, A. V.; Marinica, O.; Rosta, L.; Garamus, V. M.; Willumeit, R.

In: Journal of Colloid and Interface Science, Vol. 334, No. 1, 01.06.2009, p. 37-41.

Research output: Contribution to journalArticle

Avdeev, M. V. ; Bica, D. ; Vékás, L. ; Aksenov, V. ; Feoktystov, A. V. ; Marinica, O. ; Rosta, L. ; Garamus, V. M. ; Willumeit, R. / Comparative structure analysis of non-polar organic ferrofluids stabilized by saturated mono-carboxylic acids. In: Journal of Colloid and Interface Science. 2009 ; Vol. 334, No. 1. pp. 37-41.
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AU - Vékás, L.

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AU - Feoktystov, A. V.

AU - Marinica, O.

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AU - Garamus, V. M.

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